include/master-slave.inc [connection master] connection master; CREATE FUNCTION hello (str CHAR(20)) RETURNS CHAR(50) DETERMINISTIC RETURN CONCAT('Hello, ', str, '!'); CREATE FUNCTION hello (str CHAR(20)) RETURNS CHAR(50) DETERMINISTIC RETURN CONCAT('Hello, ', str, '!'); ERROR 42000: FUNCTION hello already exists connection slave; SHOW CREATE FUNCTION hello; Function sql_mode Create Function character_set_client collation_connection Database Collation hello STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION CREATE DEFINER=`root`@`localhost` FUNCTION `hello`(str CHAR(20)) RETURNS char(50) CHARSET latin1 DETERMINISTIC RETURN CONCAT('Hello, ', str, '!') latin1 latin1_swedish_ci latin1_swedish_ci connection master; CREATE OR REPLACE FUNCTION IF NOT EXISTS hello (str CHAR(20)) RETURNS CHAR(50) DETERMINISTIC RETURN CONCAT('Hello, ', str, '!'); ERROR HY000: Incorrect usage of OR REPLACE and IF NOT EXISTS CREATE OR REPLACE FUNCTION hello (str CHAR(20)) RETURNS CHAR(50) DETERMINISTIC RETURN CONCAT('Hello, ', str, '!'); SELECT hello('master'); hello('master') Hello, master! connection slave; SELECT hello('slave'); hello('slave') Hello, slave! connection master; CREATE FUNCTION IF NOT EXISTS hello (str CHAR(20)) RETURNS CHAR(50) DETERMINISTIC RETURN CONCAT('Hello, ', str, '!'); Warnings: Note 1304 FUNCTION hello already exists CREATE OR REPLACE FUNCTION bye (str CHAR(20)) RETURNS CHAR(50) DETERMINISTIC RETURN CONCAT('Bye, ', str, '!'); SELECT hello('master'); hello('master') Hello, master! SELECT bye('master'); bye('master') Bye, master! connection slave; SELECT hello('slave'); hello('slave') Hello, slave! SELECT bye('slave'); bye('slave') Bye, slave! connection master; DROP FUNCTION hello; DROP FUNCTION IF EXISTS bye; connection slave; DROP FUNCTION hello; ERROR 42000: FUNCTION test.hello does not exist DROP FUNCTION IF EXISTS bye; Warnings: Note 1305 FUNCTION test.bye does not exist include/rpl_end.inc